function getbasePath(){
    //获取当前网址，如： http://localhost:8080/ems/Pages/Basic/Person.jsp
    var curWwwPath = window.document.location.href;
    //获取主机地址之后的目录，如： /ems/Pages/Basic/Person.jsp
    var pathName = window.document.location.pathname;
    var pos = curWwwPath.indexOf(pathName);
    //获取主机地址，如： http://localhost:8080
    var localhostPath = curWwwPath.substring(0, pos);
    //获取带"/"的项目名，如：/ems
    var projectName = pathName.substring(0, pathName.substr(1).indexOf('/') + 1);
    //获取项目的basePath   http://localhost:8080/ems/
    var basePath=localhostPath+projectName+"/";
    return basePath;
};

function loadAjax(url,data,dataType,callBack){
	$.ajax({
		'url':url,
		'type':"POST",
		'data':data,
		'dataType':dataType,
		success:callBack
	})
}

function loadSynAjax(url,data,dataType,callBack){
	$.ajax({
		'async':false,
		'url':url,
		'type':"POST",
		'data':data,
		'dataType':dataType,
		success:callBack
	})
}